Let mobs talk to players on events like damage or death
Teleport players between signs without using any command
Let mobs explode once they die
Send chat messages from/to MatterBridge
Transfer and sort items from inventories like chests into other inventories
Throw your XP at yourself (e.g. to repair your mending tools)
Save your XP to a sign
Prevent loosing all your XP after death
Automatically close doors after they have been opened